Home / Standards / GB/T 30895-2014 GB/T 30895-2014 Active Hot-rolled rotary 热轧环件 Standard Type GBT ICS 77.140.70 CCS H44 Status 现行 Issue Date 2014-09-30 Implementation 2015-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A